JP7462241B2 - ガラスパネルユニット、ゲッタ材 - Google Patents
ガラスパネルユニット、ゲッタ材 Download PDFInfo
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- JP7462241B2 JP7462241B2 JP2022519930A JP2022519930A JP7462241B2 JP 7462241 B2 JP7462241 B2 JP 7462241B2 JP 2022519930 A JP2022519930 A JP 2022519930A JP 2022519930 A JP2022519930 A JP 2022519930A JP 7462241 B2 JP7462241 B2 JP 7462241B2
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- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
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- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
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- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
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- E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
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- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
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- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66304—Discrete spacing elements, e.g. for evacuated glazing units
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
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- E06B3/67339—Working the edges of already assembled units
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Description
次に、本実施形態に係るガラスパネルユニット10及びその製造方法の概要を説明する。
ここで、Meは細孔内に存在するx価のカチオンである。mはシリカ/アルミナ比であり、2以上の整数である。nは0以上の整数である。式(1)の組成中、各Alで1価の負電荷が生じている。このため、Meが2価以上のカチオンである場合、ゼオライトの細孔内で正電荷が生じる。また、Meが1価のカチオンである場合、細孔内は電気的に中性となる。
ガス吸着体60は、ガラスパネルユニット10の減圧空間50内に配置されている。ガス吸着体60に含まれているゲッタ材は複数の粒子を含有するが、これら粒子の活性化可能温度は、400℃以下である。本開示において、「活性化可能温度」とは、ガス吸着体60に含まれる複数の粒子が活性化するために必要な温度を意味する。すなわち、ガス吸着体60に含まれる複数の粒子は、活性化可能温度以上において活性化する。活性化したガス吸着体60中の複数の粒子は、ガス吸着能が増大する。言い換えると、ガス吸着体60中の複数の粒子は、活性化可能温度に達すると、吸着ガスを放出することによって活性化し、ガス吸着能が高くなる。活性化可能温度は、例えば、ガス吸着材60を0.001Pa以下の真空中で所定の加熱温度にて十分な時間加熱した後、20℃環境中で0.1Paの窒素平衡圧で窒素ガスの吸着量を測定した場合、窒素吸着量が4×10-11mol/g以上となる最低限の加熱温度である。この窒素吸着量は、例えばマイクロトラックベル製のbelsorp-maxにて、0.5gの吸着材の前処理をターボポンプにて排気しながら所定の温度(活性化温度)で12時間以上加熱を行い、その後20℃に降温し、吸着質に6N以上の純度の窒素ガスを用い、平衡圧0.1Paでの窒素吸着量を測定し、その吸着量が4×10-11mol/g以上であれば、所定の温度(活性化温度)が活性化可能温度以上であることを確認することができる。
残留ガス量比=[有機溶媒のときの残留ガス量]÷[水溶媒のときの残留ガス量] …(2)
・ガス吸着体を構成するゲッタ材:Cu-ZSM-5(銅イオン交換ゼオライト)
・ガス吸着材量:100mg
・ゲッタ材組成物の溶媒:αピネン又は水(なお、ゲッタ組成物は、ゲッタ材と溶媒とを混合後、1週間放置した後に塗布した)
・減圧空間体積:9000mm3
・第一溶融温度:290℃
・排気温度および時間:250℃、30min
・第二溶融温度:300℃
・シール材:バナジウム系フリット(軟化点270℃であり、第1封着材と第2封着材は同じ材料を使用した)。
本開示の実施形態は、上記実施形態に限定されない。上記実施形態は、本開示の目的を達成できれば、設計等に応じて種々の変更が可能である。以下に、上記実施形態の変形例を列挙する。なお、以下の説明において、上記実施形態を基本例とする。
以上述べた実施形態及び変形例から明らかなように、第1の態様のガラスパネルユニット(10)は、第1ガラス板(20)と、第1ガラス板(20)に対向する第2ガラス板(30)と、枠体(40)と、減圧空間(50)と、ガス吸着体(60)と、を備える。枠体(40)は、第1ガラス板(20)と第2ガラス板(30)とを気密に接合する。減圧空間(50)は、第1ガラス板(20)と、第2ガラス板(30)と、枠体(40)とで囲まれる。ガス吸着体(60)は、減圧空間(50)内に配置される。ガス吸着体(60)は、ゲッタ材を含有する。前記ゲッタ材は、ゼオライトの結晶からなる複数の粒子を含有する。前記複数の粒子の全重量のうちの半分以上の重量を占める前記粒子の径が200nm以上である。粒子の活性化可能温度が400℃以下である。
20第1ガラス板
30第2ガラス板
40枠体
50減圧空間
60ガス吸着体
Claims (13)
- 第1ガラス板と、
前記第1ガラス板に対向する第2ガラス板と、
前記第1ガラス板と前記第2ガラス板とを気密に接合する枠体と、
前記第1ガラス板と、前記第2ガラス板と、前記枠体とで囲まれた減圧空間と、
前記減圧空間内に配置されたガス吸着体と、
を備え、
前記ガス吸着体は、ゲッタ材を含有し、
前記ゲッタ材は、ゼオライトの結晶からなる複数の粒子と、水素化触媒と、を含有し、
前記ゼオライトがZSM-5型の銅イオン交換ゼオライトであり、
前記複数の粒子の全重量のうちの半分以上の重量を占める前記粒子の径が200nm以上であり、
前記粒子の活性化可能温度が400℃以下である、
ガラスパネルユニット。 - 前記複数の粒子の全重量のうち、前記粒子の径が200nm未満の粒子の重量が半分未満である、
請求項1に記載のガラスパネルユニット。 - 前記複数の粒子の全重量のうちの半分以上の重量を占める前記粒子の径が400nm以上である、
請求項1又は2に記載のガラスパネルユニット。 - 前記減圧空間における窒素の分圧が0.1Pa以下である、
請求項1~3のいずれか一項に記載のガラスパネルユニット。 - 前記粒子が吸着した窒素の20℃における総量が、前記減圧空間の容積をV(m3)としたとき、0.1V(Pa・m3)以上である、
請求項1~4のいずれか一項に記載のガラスパネルユニット。 - 前記粒子は、一次粒子であり、
前記径は、前記粒子の最短幅である、
請求項1~5のいずれか一項に記載のガラスパネルユニット。 - 第1ガラス板と、
前記第1ガラス板に対向する第2ガラス板と、
前記第1ガラス板と前記第2ガラス板とを気密に接合する枠体と、
前記第1ガラス板と、前記第2ガラス板と、前記枠体とで囲まれた減圧空間と、
前記減圧空間内に配置されたガス吸着体と、
を備え、
前記ガス吸着体は、ゲッタ材を含有し、
前記ゲッタ材は、ゼオライトの結晶からなる複数の粒子と、水素化触媒と、を含有し、
前記ゼオライトがZSM-5型の銅イオン交換ゼオライトであり、
前記複数の粒子の全数のうちの半分以上の数を占める前記粒子の径が200nm以上であり、
前記粒子の活性化可能温度が400℃以下である、
ガラスパネルユニット。 - 第1ガラス板と、
前記第1ガラス板に対向する第2ガラス板と、
前記第1ガラス板と前記第2ガラス板とを気密に接合する枠体と、
前記第1ガラス板と、前記第2ガラス板と、前記枠体とで囲まれた減圧空間と、
前記減圧空間内に配置されたガス吸着体と、
を備え、
前記ガス吸着体は、ゲッタ材を含有し、
前記ゲッタ材は、ゼオライトの結晶からなる複数の粒子と、水素化触媒と、を含有し、
前記ゼオライトがZSM-5型の銅イオン交換ゼオライトであり、
前記複数の粒子が占める全体積のうちの半分以上の体積を占める前記粒子の径が200nm以上であり、
前記粒子の活性化可能温度が400℃以下である、
ガラスパネルユニット。 - ゼオライトの結晶からなる複数の粒子と、水素化触媒と、を含有し、
前記ゼオライトがZSM-5型の銅イオン交換ゼオライトであり、
前記複数の粒子の全重量のうちの半分以上の重量を占める前記粒子の径が200nm以上であり、
前記粒子の活性化可能温度が400℃以下である、
ゲッタ材。 - 前記複数の粒子の全重量のうちの半分以上の重量を占める前記粒子の径が400nm以上である、
請求項9に記載のゲッタ材。 - 前記複数の粒子の全重量のうちの半分以上の重量を占める前記粒子の径が600nm以上である、
請求項9又は10に記載のゲッタ材。 - 前記複数の粒子の各径が1000nm以上である、
請求項9~11のいずれか一項に記載のゲッタ材。 - 前記粒子は、一次粒子であり、
前記径は、前記粒子の最短幅である、
請求項9~12のいずれか一項に記載のゲッタ材。
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